Respiratory System

1. leaf shaped flap in the throat that prevent food and drink from entering your windpipe
4. The main type of connective tissue found throughout the body.
6. A large tube that conveys air to and from the lungs, also known as the windpipe
7. bands of muscle within the larynx that vibrate to produce 'the voice'.
9. The large air passages from the trachea to the lungs.
11. paired saccular organs that allow oxygen into the blood and remove carbon dioxide.
13. a chemical process in which oxygen is used to make energy from carbohydrates.
14. The cavity behind the nose and mouth that connect them to the epiglottis.
16. a protein inside red blood cells that carries oxygen from the lungs to the tissues and organs in the body and carries carbon dioxide back to the lungs.

2. referring to something situated between the ribs.
3. The action of breathing out/exhaling
5. Air passages inside the lungs that branch of like tree branches.
8. the net movement of molecules to from an area where they are at a higher concentration to areas where they are at a lower concentration.
10. The action of breathing in/inhaling
12. any of the many tiny air sacs of the lungs that allow for rapid gaseous exchange.
15. The area in the throat that holds the vocal chords used for breathing, swallowing and talking.